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Algebra IVocabularyChapter 3
Any number that makes an inequality true is called a
Solution of the inequality
Inequalities that have the same solution are called
Equivalent inequalities
Inequalities consisting of two distinct inequalities joined by the word and or the word or are called
Compound inequalities.
Describing a portion of the number line using parentheses, brackets, and infinity is called
Interval notation.
Indicating a set by listing the elements in the set between curly braces is called
Roster form
Describing the properties of an element in a set between curly braces is called
Set-builder notation
The set symbol { } translates to
“the set containing”
The set symbol Ø translates to
“the empty set” and means the set that
Contains no elements.
The set symbol U translates to
“union” and means all the elements in
One set or the other
The set symbol ∩ translates to
“intersection” and means all the elements that are
Common to both sets.
The largest set used for a particular discussion is called the
Universal set.
A set consisting of elements from a given set is called a
A subset, and the symbol for subset is
A’ is read
“A complement” and the complement of set A contains all those elements in
The universal set not in set A.
Sets that have no elements in common are called
Disjoint sets.
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